Document display system for a display screen



FIG. 1 is a front view of a document display system for a display screen, the broken line drawings of a display screen and the elements on the display screen are for illustrative purposes only and form no part of the claimed design; and,

FIG. 2 is a front view of a second embodiment thereof, the broken line drawings of a display screen and the elements on the display screen are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a document display system for a display screen, as shown and described. 